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LOT 2492
Natural History - Large Meteoritic Tektite Group [12]
1 7/8 in. (969 grams total, 47-83 mm).
Meteoric glass, melted terrestrial rock splashed from an impact crater, most roughly ovoid in shape. [12, No Reserve]
ProvenanceFrom Mexico.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
Tektites are lumps of black or dark grey natural glass produced from melted crustal rocks that are caused by large hypervelocity meteorite impacts on sediments.
CONDITIONTimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
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Natural History - Large Icelandic Spar Specimen Group [20]
Sold for (Inc. bp): £26
Or optical calcite, cut into parallelepiped sections, each displaying typical birefringence. 1 kg total, 36-44 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Anhydrite Mineral Specimen Slab
Sold for (Inc. bp): £20
Comprising a large rectangular matrix with quartz, the upper face with calcite and large bladed anhydrite crystals. 691 grams, 17 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - 'Popcorn' Quartz Crystal Display Group [3]
Sold for (Inc. bp): £26
Comprising three attractive examples composed of mainly white quartz. 604 grams total, 8.3-10.2 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).